Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-19 | 37/13.5-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.4 (797.6) | 37.12 (942.96) | 5.72 (145.36) 18.2% |
| Width inches (mm) | 8.86 (225) | 13.5 (343) | 4.65 (118) 52.4% |
| Circum. inches (mm) | 98.65 (2505.73) | 116.63 (2962.4) | 17.98 (456.66) 18.2% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 7.56 (192.08) | 1.36 (34.58) 22% |
| Revolutions per mile (km) | 642.26 (399.08) | 543.26 (337.56) | -99.01 (-61.52) -15.4% |
37/13.5-22 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.64 mph (38.05 km/h) |
| 25 mph (40.23 km/h) | 29.56 mph (47.57 km/h) |
| 30 mph (48.28 km/h) | 35.47 mph (57.08 km/h) |
| 35 mph (56.33 km/h) | 41.38 mph (66.59 km/h) |
| 40 mph (64.37 km/h) | 47.29 mph (76.11 km/h) |
| 45 mph (72.42 km/h) | 53.2 mph (85.62 km/h) |
| 50 mph (80.47 km/h) | 59.11 mph (95.13 km/h) |
| 55 mph (88.51 km/h) | 65.02 mph (104.65 km/h) |
| 60 mph (96.56 km/h) | 70.93 mph (114.16 km/h) |
| 65 mph (104.61 km/h) | 76.85 mph (123.67 km/h) |
| 70 mph (112.65 km/h) | 82.76 mph (133.19 km/h) |
| 75 mph (120.7 km/h) | 88.67 mph (142.7 km/h) |
| 80 mph (128.75 km/h) | 94.58 mph (152.21 km/h) |
| 85 mph (136.79 km/h) | 100.49 mph (161.72 km/h) |
| 90 mph (144.84 km/h) | 106.4 mph (171.24 km/h) |
| 95 mph (152.89 km/h) | 112.31 mph (180.75 km/h) |
| 100 mph (160.93 km/h) | 118.22 mph (190.26 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1382 | 1606 | 1730 | 1806 | 1888 | 1947 | 2012 | 2088 | 2194 | 2300 | 2418 | 2512 | 2683 | 2871 | 3018 | 3112 | 3165 | 3359 | 3630 | 4218 |
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